551006066 has 8 divisors (see below), whose sum is σ = 890086764. Its totient is φ = 254310480.

The previous prime is 551006039. The next prime is 551006069. The reversal of 551006066 is 660600155.

It can be written as a sum of positive squares in 2 ways, for example, as 548918041 + 2088025 = 23429^2 + 1445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (551006069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10596245 + ... + 10596296.

Almost surely, 2^551006066 is an apocalyptic number.

551006066 is a deficient number, since it is larger than the sum of its proper divisors (339080698).

551006066 is a wasteful number, since it uses less digits than its factorization.

551006066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192556.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 551006066 is about 23473.5183983995. The cubic root of 551006066 is about 819.8205367720.

The spelling of 551006066 in words is "five hundred fifty-one million, six thousand, sixty-six".